Square Markets one of the latest e-retailers to realize that Bitcoins might not be too cryptic to be used as a legit payment option, after all. The e-commerce website now accepts payments made using the cryptocurrency, as Square Market Lead Ajit Varma announced in a blog post where he also explained the technical details behind the process. He said buyers will be given a QR code and the info they need to buy anything from massages to biking gear with their virtual wallets.